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Re: Create USB Ethernet Port Configuration
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Re: Create USB Ethernet Port Configuration


  • Subject: Re: Create USB Ethernet Port Configuration
  • From: Mark Thomas <email@hidden>
  • Date: Fri, 14 Mar 2008 20:22:58 +0000
  • Thread-topic: Create USB Ethernet Port Configuration

Hi Allan,
  Thanks for suggestion, although I think one of the biggest problem I could
have here is that I don't know what the MAC address will be until the user
actually plug's the device in. (as I believe the USB device MAC address is
different even though its the same USB device)

  The goal which I'm trying to achieve is that for a given router instead of
setting up a specific connection type when the user install's this router
e.g. Just Ethernet, is that I setup all the connection types which the
router supports e.g. Wireless, Ethernet and USB.

Thanks
Mark.

> Message: 4
> Date: Mon, 10 Mar 2008 17:09:09 -0400
> From: Allan Nathanson <email@hidden>
> Subject: Re: Create USB Ethernet Port Configuration
> To: Macintosh Network Programming <email@hidden>
> Message-ID: <email@hidden>
> Content-Type: text/plain; charset=US-ASCII; format=flowed; delsp=yes
>
> Mark -
>
> For starters, each network service is associated with a single
> interface and there's a mapping between the interface's MAC address
> (xx:xx:xx:xx:xx:xx) and it's BSD name (enX).
>
> When the system first boots we create a network service for each
> interface present on the system.  After that time you can use the
> network pref pane to configure services for interfaces that were not
> "built-in" or present at first boot (e.g. for a USB LAN adaptor).
>
> Yes, you "could" sneak in a configuration for some "to be connected at
> a later time" interface but that would imply making a few
> assumptions.  First off, you'd be guessing that the next interface
> hooked up to the system would be allocated a specific BSD interface
> name.  In the case of a new USB LAN adaptors you should also note that
> each LAN adaptor will have it's own unique BSD name (i.e. not all USB
> LAN adaptors will be named en3).
>
> My question is what needs to be "configured" for each service?  Is
> DHCP derived settings not sufficient?
>
> - Allan
>
>
>
> On Mar 10, 2008, at 5:49 AM, Mark Thomas wrote:
>
>> Was wondering if anybody had any thoughts
>> Thanks
>> Mark.
>>
>> ------ Forwarded Message
>> From: Mark Thomas <email@hidden>
>> Date: Fri, 07 Mar 2008 00:11:21 +0000
>> To: "email@hidden" <email@hidden>
>> Conversation: Create USB Ethernet Port Configuration
>> Subject: Create USB Ethernet Port Configuration
>>
>> Hi,
>>  I presently have a network configurator which successfully creates/
>> setups
>> port configuration depending on what a particular user initially
>> chooses for
>> their connection type, and that solution has proven to work well in
>> it's
>> roll out.
>>
>>  How-ever in today's portable world, where a user's moved his machine
>> between numerous network configurations. The older configuration
>> design
>> doesn't work so well, so I'm considering setting all the various
>> available
>> ports. This design works fine, with one exception which is the USB/
>> Ethernet
>> bridge, as that only creates once a user has connected a USB cable its
>> router (or Ethernet adapter).
>>
>>  Is there a way to create this ahead of time, so for a particular USB
>> vendor/product id, You can choose/guess/know which Ethernet
>> identifier it
>> chooses (e.g. en3, it usually is next in sequence, but how can you
>> reserve
>> one for a USB device). This is also especially the case with MacBook
>> Air
>> customers only have a USB for wired connection.
>>
>> Thanks
>> Mark.
>>
>> ------ End of Forwarded Message
>
>


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